Answer the following statement(s) true (T) or false (F)
There is uniformity across all state standards documents in regard to which mathematical topics should be taught and the grade levels at which they should be introduced.
Ans: False
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Use inequality symbols to rewrite the statement.-2 is less than y.
A. -2 > y B. -2 ? y C. -2 < y D. -2 ? y
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3)
Rewrite the following using radicals; then simplify if possible. Assume that all variables represent nonnegative values.23s1/2
A. 
B. s
C. 23
D. 23s
Use a half-angle formula to find the exact value of the expression.cos 
A. 
B. 
C. - 
D. - 
